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XFS(1) XFS(1)
NAME
xfs - X font server
SYNOPSIS
xfs [-config configuration_file] [-daemon] [-droppriv] [-ls listen_socket] [-nodae-
mon] [-port tcp_port] [-user username]
DESCRIPTION
Xfs is the X Window System font server. It supplies fonts to X Window System dis-
play servers.
STARTING THE SERVER
The server is usually run by a system administrator, and started via boot files
like /etc/rc.local. Users may also wish to start private font servers for specific
sets of fonts.
OPTIONS
-config configuration_file
Specifies the configuration file the font server will use. If this parame-
ter is not specified, the default file, /usr/X11R6/lib/X11/fs/config will
be used.
-ls listen_socket
Specifies a file descriptor which is already set up to be used as the lis-
ten socket. This option is only intended to be used by the font server
itself when automatically spawning another copy of itself to handle addi-
tional connections.
-port tcp_port
Specifies the TCP port number on which the server will listen for connec-
tions. The default port number is 7100.
-daemon Instructs xfs to fork and go into the background automatically at startup
If this option is not specified, xfs will run as a regular process (unless
xfs was built to daemonize by default).
-droppriv
If specified, xfs will attempt to run as user and group xfs (unless the
-user option is used). This has been implemented for security reasons, as
xfs may have undiscovered buffer overflows or other paths for possible
exploit, both local and remote. With this option, you may also wish to
specify "no-listen = tcp" in the config file, which ensures that xfs will
not to use a TCP port at all.
-nodaemon
When xfs is built to daemonize (run in the background) by default, this
prevents that and starts xfs up as a regular process.
-user username
This is equivalent to -droppriv except that xfs will run as user username.
SIGNALS
SIGTERM This causes the font server to exit cleanly.
SIGUSR1 This signal is used to cause the server to re-read its configuration file.
SIGUSR2 This signal is used to cause the server to flush any cached data it may
have.
SIGHUP This signal is used to cause the server to reset, closing all active con-
nections and re-reading the configuration file.
CONFIGURATION
The configuration language is a list of keyword and value pairs. Each keyword is
followed by an ’=’ and then the desired value.
Recognized keywords include:
catalogue (list of string)
Ordered list of font path element names. Use of the keyword "catalogue" is
very misleading at present, the current implementation only supports a sin-
gle catalogue ("all"), containing all of the specified fonts.
alternate-servers (list of string)
List of alternate servers for this font server.
client-limit (cardinal)
Number of clients this font server will support before refusing service.
This is useful for tuning the load on each individual font server.
clone-self (boolean)
Whether this font server should attempt to clone itself when it reachs the
client-limit.
default-point-size (cardinal)
The default pointsize (in decipoints) for fonts that don’t specify. The
default is 120.
default-resolutions (list of resolutions)
Resolutions the server supports by default. This information may be used as
a hint for pre-rendering, and substituted for scaled fonts which do not
specify a resolution. A resolution is a comma-separated pair of x and y
resolutions in pixels per inch. Multiple resolutions are separated by com-
mas.
error-file (string)
Filename of the error file. All warnings and errors will be logged here.
no-listen (trans-type)
Disable a transport type. For example, TCP/IP connections can be disabled
with no-listen tcp
port (cardinal)
TCP port on which the server will listen for connections.
use-syslog (boolean)
Whether syslog(3) (on supported systems) is to be used for errors.
deferglyphs (string)
Set the mode for delayed fetching and caching of glyphs. Value is "none",
meaning deferred glyphs is disabled, "all", meaning it is enabled for all
fonts, and "16", meaning it is enabled only for 16-bits fonts.
EXAMPLE
#
# sample font server configuration file
#
# allow a max of 10 clients to connect to this font server
client-limit = 10
# when a font server reaches its limit, start up a new one
clone-self = on
# alternate font servers for clients to use
alternate-servers = hansen:7101,hansen:7102
# where to look for fonts
# the first is a set of Speedo outlines, the second is a set of
# misc bitmaps and the last is a set of 100dpi bitmaps
#
catalogue = /usr/X11R6/lib/X11/fonts/speedo,
/usr/X11R6/lib/X11/fonts/misc,
/usr/X11R6/lib/X11/fonts/100dpi/
# in 12 points, decipoints
default-point-size = 120
# 100 x 100 and 75 x 75
default-resolutions = 100,100,75,75
use-syslog = off
FONT SERVER NAMES
One of the following forms can be used to name a font server that accepts TCP con-
nections:
tcp/hostname:port
tcp/hostname:port/cataloguelist
The hostname specifies the name (or decimal numeric address) of the machine on
which the font server is running. The port is the decimal TCP port on which the
font server is listening for connections. The cataloguelist specifies a list of
catalogue names, with ’+’ as a separator.
Examples: tcp/fs.x.org:7100, tcp/18.30.0.212:7101/all.
One of the following forms can be used to name a font server that accepts DECnet
connections:
decnet/nodename::font$objname
decnet/nodename::font$objname/cataloguelist
The nodename specifies the name (or decimal numeric address) of the machine on
which the font server is running. The objname is a normal, case-insensitive DECnet
object name. The cataloguelist specifies a list of catalogue names, with ’+’ as a
separator.
Examples: DECnet/SRVNOD::FONT$DEFAULT, decnet/44.70::font$special/symbols.
SEE ALSO
X(7x), The X Font Service Protocol,
Font server implementation overview
BUGS
Multiple catalogues should be supported.
AUTHORS
Dave Lemke, Network Computing Devices, Inc
Keith Packard, Massachusetts Institute of Technology
XFS(1)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache/1.3.41 (Unix) PHP/5.2.5 mod_perl/1.30 mod_gzip/1.3.26.1a
Under GNU General Public License
2008-11-23 20:52 @38.103.63.58 CrawledBy CCBot/1.0 (+http://www.commoncrawl.org/bot.html)